PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1176-89 ITEM 3Valve,safety Relief

Insinger Machine Co · NSN 4820-01-353-7380 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-353-7380 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-353-7380. Primary manufacturer part number: 1176-89 ITEM 3.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Material: COPPER ALLOY BODY
  • Valve Operation Method: AUTOMATIC
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Nominal Outside Diameter: 0.750 INCHES ALL ENDS IN
  • Flow Control Device: DISK
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-353-7380, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Insinger Machine Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-353-7380
Primary Part Number1176-89 ITEM 3
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerInsinger Machine Co
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
MaterialCOPPER ALLOY BODY
Valve Operation MethodAUTOMATIC
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Nominal Outside Diameter0.750 INCHES ALL ENDS IN
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-528-3768 INTERCHANGEABLE
Belts,v,matched Set
5910-00-988-4716D2-505 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Electron Products Inc
4820-01-440-1340D-2505 INTERCHANGEABLE
Diaphragm,valve,flat
Aalberts Integrated Piping Systems Americas, Inc.
Cross-Reference Index
Part NumberManufacturer
D-2505 Insinger Machine Co (USA)
1176-89 ITEM 3 PRIMARY Insinger Machine Co (USA)
Related Parts
3030-00-528-3768INTERCHANGEABLE
BELTS,V,MATCHED SET
5910-00-988-4716INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
D2-505
4820-01-440-1340INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
D-2505

Frequently Asked Questions

What is NSN 4820-01-353-7380?

NSN 4820-01-353-7380 is a Valve,safety Relief, manufactured by Insinger Machine Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-353-7380?

NSN 4820-01-353-7380 has 2 cross-referenced part numbers: D-2505 (Insinger Machine Co), 1176-89 ITEM 3 (Insinger Machine Co).

What NSN replaces 4820-01-353-7380?

There are 3 known substitutes for 4820-01-353-7380: 3030-00-528-3768, 5910-00-988-4716, 4820-01-440-1340. Verify interchangeability with system specifications before substitution.

What are the specifications of 1176-89 ITEM 3?

Key specifications for 1176-89 ITEM 3: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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